import System.out;
public class Test{
    public int add(int a,int b){
        return a + b;
    }
	public static int main(){
		//addone();
        int[] a = new int[2];
		for(int i = 0;i < 3;i++){
			out.println("Hello World!");
		}
		return 0;
	}
	public static native void addone();
}